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new returnvalue DeviceComIF

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explicitely setting receivedDataLen to 0 in readReceivedMessage() does
not trigger error anymore
This commit is contained in:
Robin Müller 2020-04-19 14:52:27 +02:00
parent 62644bdfc9
commit 74b8c3eef4
2 changed files with 5 additions and 3 deletions
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6
devicehandlers/DeviceCommunicationIF.h
View File

@ -8,6 +8,7 @@ class DeviceCommunicationIF: public HasReturnvaluesIF {
public:
static const uint8_t INTERFACE_ID = CLASS_ID::DEVICE_COMMUNICATION_IF;
// Standard error codes
static const ReturnValue_t INVALID_COOKIE_TYPE = MAKE_RETURN_CODE(0x01);
static const ReturnValue_t NOT_ACTIVE = MAKE_RETURN_CODE(0x02);
static const ReturnValue_t INVALID_ADDRESS = MAKE_RETURN_CODE(0x03);
@ -16,9 +17,10 @@ public:
static const ReturnValue_t PROTOCOL_ERROR = MAKE_RETURN_CODE(0x06);
static const ReturnValue_t CANT_CHANGE_REPLY_LEN = MAKE_RETURN_CODE(0x07);
virtual ~DeviceCommunicationIF() {
// Can be used in readReceivedMessage()
static const ReturnValue_t NO_REPLY_RECEIVED = MAKE_RETURN_CODE(0xA1);
}
virtual ~DeviceCommunicationIF() {}
virtual ReturnValue_t open(Cookie **cookie, uint32_t address,
uint32_t maxReplyLen) = 0;

2
devicehandlers/DeviceHandlerBase.cpp
View File

@ -588,7 +588,7 @@ void DeviceHandlerBase::doGetRead() {
return;
}
if (receivedDataLen == 0)
if (receivedDataLen == 0 or result == DeviceCommunicationIF::NO_REPLY_RECEIVED)
return;
if (wiretappingMode == RAW) {